Characterization of ultradrawn polyethylene fibers by NMR: crystallinity, domain sizes and a highly mobile second amorphous phase
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Extensive structural characterization indicates that the crystallinity of samples with draw ratio around 200 is nearly 90%, and that enlarged crystals with a dimension of about 400-500 nm are separated by fragmented inter-crystalline bridges.
“First, extensive structural characterization of highly drawn samples indicates that the crystallinity of samples with draw ratio around 200 is nearly 90%47,59, and that the enlarged crystals with a dimension of ∼400−500 nm are separated by fragmented inter-crystalline bridges44,46,47.”
From Origin of high thermal conductivity in disentangled ultra-high molecular weight polyethylene films: ballistic phonons within enlarged crystals (2022) · cites this paper as [46]
Evidence exists for the presence of extended crystals with length on the order of hundreds of nanometers from NMR and TEM.
“Further, evidence exists for the presence of extended crystals with length on the order of hundreds of nanometers from NMR and TEM44,46,47.”
From Origin of high thermal conductivity in disentangled ultra-high molecular weight polyethylene films: ballistic phonons within enlarged crystals (2022) · cites this paper as [46]
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Kim, T., Drakopoulos, S. X., Ronca, S., & Minnich, A. J. (2022) · Nature Communications · doi:10.1038/s41467-022-29904-2 · Cited by 63 · see citing works
- Authors
- Hu, W.-G., & Schmidt-Rohr, K.
- Affiliations
- University of Massachusetts Amherst (US)
- ORCID
- Hu, W.-G
- Venue
- Polymer
- Publisher
- Elsevier BV
- Published
- 2000-04
- Volume
- 41
- Issue
- 8
- Pages
- 2979-2987
- ISSN
- 0032-3861 (ISSN-L)
- OpenAlex
- W2051571199
- Cited by
- 106
- References
- 0
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 4 · 2023: 2 · 2022: 4 · 2021: 3 · 2020: 1 · 2019: 6 · 2018: 1 · 2017: 5 · 2016: 5 · 2015: 5 · 2014: 3 · 2013: 6 · 2012: 4
- FWCI
- 7.48
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Polymer (publishedVersion)
- Funders
- National Science Foundation
- Arnold and Mabel Beckman Foundation
- Topics
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
- Physical Sciences › Chemistry › Spectroscopy › Advanced NMR Techniques and Applications
- Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › NMR spectroscopy and applications
- Keywords
- ultra-high molecular weight polyethylene, crystallinity, spin diffusion, tie molecules, interfacial materials, fiber morphology, structural model, voids
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Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
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